The Srinagar-Leh Highway, a.k.a. National Highway 1D (NH 1D) runs through extremely treacherous terrain and follows the historic trade route along the Indus River,.passes through Zoji La at 3528m, Fotu La at 4108m, and Drass (3230m) which is the coldest inhabited place in India with temperatures dropping to -45C during winter..*Pre-season Jeep road trip from Delhi to Amritsar, Srinagar, Kargil, Lamayuru, Leh, Khardung La, Tso Moriri and back to Delhi in May 2010. Photo by Suzanne Lee